| 009 Electric Company | Sean Michael Saxton | — | (626) 484 7423 | Electricians | Riverside · Riverside County | — | — |
| 1016 Electric | Giovanni De Jesus Rizo Garcia | — | (951) 437 8485 | Electricians | San Jacinto · Riverside County | — | — |
| 1320 Electric | Juan Jose Corona | — | (951) 642 8393 | Electricians | Riverside · Riverside County | — | — |
| 1st Atrium INC | Arne Edgar Perthus | — | (760) 880 6606 | Electricians | Palm Desert · Riverside County | — | — |
| 1st Choice Electric INC | Jerrett Scott Bruemmer | — | (909) 247 5849 | Electricians | Norco · Riverside County | — | — |
| 24 7 Protection INC | Arthur Michael Livermore | — | (760) 200 0155 | Electricians | Thousand Palms · Riverside County | — | — |
| 2E Electric | Martinez Eleuterio | — | (949) 939 0387 | Electricians | Riverside · Riverside County | — | — |
| 3P Landscape | Jose Manuel Cruz | — | (951) 454 2276 | Electricians | Menifee · Riverside County | — | — |
| 3R Electric | Bassam Ali Elhambra | — | (714) 768 2787 | Electricians | Riverside · Riverside County | — | — |
| 4.0 Electric INC | Matthew Mark Padilla | — | (951) 249 1176 | Electricians | Murrieta · Riverside County | — | — |
| A & C Electrical | Kermit Reginald Perry | — | (909) 917 2551 | Electricians | Mira Loma · Riverside County | — | — |
| A & S Electric | Steven Joseph Anderson | — | (951) 751 2767 | Electricians | Hemet · Riverside County | — | — |
| A - Tech Electric | Marco Antonio Pineda | — | (951) 300 6973 | Electricians | Moreno Valley · Riverside County | — | — |
| A A Electric | Arthur Daniel Diaz | — | (909) 838 1814 | Electricians | Riverside · Riverside County | — | — |
| A B C Electric | Leszek Kazimierz Kondratczyk | — | (949) 254 0863 | Electricians | Palm Desert · Riverside County | — | — |
| A B Electric | Antonio Quincoses Brache | — | (310) 612 1650 | Electricians | Murrieta · Riverside County | — | — |
| A B O Electric Services INC | Antonio Brito | — | (562) 446 5715 | Electricians | Moreno Valley · Riverside County | — | — |
| A Baca Electric | Anthony Richard Baca | — | (951) 342 0007 | Electricians | Sun City · Riverside County | — | — |
| A C Electric | Chase Jerome Gross | — | (805) 431 3949 | Electricians | Sun City · Riverside County | — | — |
| A C W Builders | A C W Builders | — | (951) 272 0577 | Electricians | Corona · Riverside County | — | — |
| A E F Electric INC | Alan Edward Foisy | — | (951) 808 5402 | Electricians | Corona · Riverside County | — | — |
| A I M Electric | Bernardino Jr Arreola | — | (760) 578 1039 | Electricians | Indio · Riverside County | — | — |
| A Plus Electric Service LLC | Tobias Nino Romero | — | (760) 459 9711 | Electricians | Cathedral City · Riverside County | — | — |
| A S Aznoff Electric | Aaron Scott Aznoff | — | (626) 672 8765 | Electricians | Riverside · Riverside County | — | — |
| A S T Electric | Ali Asghar Tourkaman | — | (760) 250 9755 | Electricians | Rancho Mirage · Riverside County | — | — |
| A V S Systems | Arthur Iii Daza | — | (951) 343 3393 | Electricians | Riverside · Riverside County | — | — |
| A Z E Electric | Yamany Aly Encinas | — | (951) 707 8487 | Electricians | Riverside · Riverside County | — | — |
| A&d Herrera's Electric INC | Tafoya Daniel Herrera | contact@adherreraselectric.com | (760) 235 2144 | Electricians | La Quinta · Riverside County | — | — |
| A&j Electrical | Javier Munoz Ramos | — | (909) 659 2108 | Electricians | San Jacinto · Riverside County | — | — |
| A's Electric | Arellano Armando | — | (760) 673 9641 | Electricians | Indio · Riverside County | — | — |
| A+ Rudy's Electric | Jimenez Rodolfo | — | (951) 956 1665 | Electricians | Lake Elsinore · Riverside County | — | — |
| A-bell Alarms Company | Christopher Gene Sizemore | info@abellalarms.com | (951) 302 3100 | Electricians | Temecula · Riverside County | — | — |
| A1 - Electric | Juan Carlos Jimenez | — | (951) 662 8884 | Electricians | Lake Elsinore · Riverside County | — | — |
| Aaj Electric LLC | Jose Luis Suazo | — | (951) 339 6440 | Electricians | Riverside · Riverside County | — | — |
| Aaron G Gilbert | Aaron G Gilbert | — | (760) 404 7316 | Electricians | Thousand Palms · Riverside County | — | — |
| Aaron Hatfield | Aaron Hatfield | — | (951) 283 4131 | Electricians | Corona · Riverside County | — | — |
| Absolute Electric Services INC | Jason Reed Swearengin | — | (760) 535 6237 | Electricians | Rancho Mirage · Riverside County | — | — |
| Absolutely Honest Electrical Contractor | John Wayne Mc Cain | — | (909) 585 9300 | Electricians | Menifee · Riverside County | — | — |
| Abundance Energy LLC | Wesley William Knudson | care@abundanceenergy.com | (435) 705 9174 | Electricians | Corona · Riverside County | — | — |
| AC And Sons Electric INC | Rogelio Gonzalez | — | (909) 656 2446 | Electricians | Corona · Riverside County | — | — |